the brady bunch goes to hawaii - Hawaii Bound is the first episode of Season 4 of The Brady Bunch, and the 73rd overall episode of the series. Written by Tam Spiva and directed by Jack Arnold, it first aired 22 September 1972 on ABC. Christopher Knight, who portrayed middle son Peter Brady and now has many projects going on with Christopher Knight Brands, shared with 10Best how the show is "still generating fans and generating love."